Back To The Past

money = float(input())
year = int(input())
starting_year = 1800
rest_money = 0

while starting_year <= year:
    if starting_year % 2 == 0:
        money -= 12000
        rest_money = money
    else:
        years_old = 18 + (starting_year % 10)
        money -= 12000+50*(years_old)
        rest_money = money
    starting_year += 1
if rest_money >= 0:
    print(f"Yes! He will live a carefree life and will have {rest_money:.2f} dollars left.")
else:
    print(f"He will need {abs(rest_money):.2f} dollars to survive.")